Two active states of the Ras-related Bud1/Rsr1 protein bind to different effectors to determine yeast cell polarity. Proc. Natl. Acad. Sci. USA 94:4463-4468., 1997, Subseries B, Carton: Mss 4. Ira Herskowitz Papers, MSS-2002-25. UCSF Archives and Special Collections. https://public.ucsf.aspace.cdlib.org/repositories/8/archival_objects/847 Accessed January 07, 2025.